GB2395849B - Improved analogue selector - Google Patents

Improved analogue selector

Info

Publication number
GB2395849B
GB2395849B GB0227553A GB0227553A GB2395849B GB 2395849 B GB2395849 B GB 2395849B GB 0227553 A GB0227553 A GB 0227553A GB 0227553 A GB0227553 A GB 0227553A GB 2395849 B GB2395849 B GB 2395849B
Authority
GB
United Kingdom
Prior art keywords
analogue selector
improved analogue
improved
selector
analogue
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
GB0227553A
Other versions
GB0227553D0 (en
GB2395849A (en
Inventor
John Laurence Pennock
Edward Mauger Granville
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Cirrus Logic International UK Ltd
Original Assignee
Wolfson Microelectronics PLC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Wolfson Microelectronics PLC filed Critical Wolfson Microelectronics PLC
Priority to GB0227553A priority Critical patent/GB2395849B/en
Publication of GB0227553D0 publication Critical patent/GB0227553D0/en
Priority to US10/347,300 priority patent/US6828845B2/en
Priority to TW92126541A priority patent/TWI261414B/en
Priority to CNB2003101154390A priority patent/CN100544499C/en
Publication of GB2395849A publication Critical patent/GB2395849A/en
Application granted granted Critical
Publication of GB2395849B publication Critical patent/GB2395849B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
    • H03K17/56—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices
    • H03K17/687—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices the devices being field-effect transistors
    • H03K17/693—Switching arrangements with several input- or output-terminals, e.g. multiplexers, distributors
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G1/00—Details of arrangements for controlling amplification
    • H03G1/0005—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal
    • H03G1/0088—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal using discontinuously variable devices, e.g. switch-operated
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/002—Switching arrangements with several input- or output terminals
    • H03K17/005—Switching arrangements with several input- or output terminals with several inputs only
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S370/00—Multiplex communications
    • Y10S370/916—Multiplexer/demultiplexer
GB0227553A 2002-11-26 2002-11-26 Improved analogue selector Expired - Lifetime GB2395849B (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
GB0227553A GB2395849B (en) 2002-11-26 2002-11-26 Improved analogue selector
US10/347,300 US6828845B2 (en) 2002-11-26 2003-01-21 Analogue selector
TW92126541A TWI261414B (en) 2002-11-26 2003-09-25 An improved analogue selector
CNB2003101154390A CN100544499C (en) 2002-11-26 2003-11-25 Improved analogue selector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0227553A GB2395849B (en) 2002-11-26 2002-11-26 Improved analogue selector

Publications (3)

Publication Number Publication Date
GB0227553D0 GB0227553D0 (en) 2002-12-31
GB2395849A GB2395849A (en) 2004-06-02
GB2395849B true GB2395849B (en) 2005-11-09

Family

ID=9948525

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0227553A Expired - Lifetime GB2395849B (en) 2002-11-26 2002-11-26 Improved analogue selector

Country Status (2)

Country Link
US (1) US6828845B2 (en)
GB (1) GB2395849B (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7608861B2 (en) * 2004-06-24 2009-10-27 Canon Kabushiki Kaisha Active matrix type display having two transistors of opposite conductivity acting as a single switch for the driving transistor of a display element
GB2415844B (en) * 2004-06-30 2006-05-03 Renesas Tech Corp Wireless communication receiver
GB2446843B (en) 2006-06-30 2011-09-07 Wolfson Microelectronics Plc Amplifier circuit and methods of operation thereof
TW200826290A (en) * 2006-12-01 2008-06-16 Univ Nat Chiao Tung Vertical organic transistor and manufacturing method thereof
GB2444988B (en) 2006-12-22 2011-07-20 Wolfson Microelectronics Plc Audio amplifier circuit and electronic apparatus including the same
GB2444984B (en) * 2006-12-22 2011-07-13 Wolfson Microelectronics Plc Charge pump circuit and methods of operation thereof
GB2447426B (en) * 2006-12-22 2011-07-13 Wolfson Microelectronics Plc Charge pump circuit and methods of operation thereof
GB2478457B (en) * 2006-12-22 2011-12-07 Wolfson Microelectronics Plc Charge pump circuit and methods of operation thereof
US7586458B2 (en) * 2007-03-19 2009-09-08 Ahmadreza Rofougaran Method and system for using a transformer for FM transmit and FM receive functionality
GB2464770B (en) * 2008-10-31 2013-03-27 Cambridge Silicon Radio Ltd Variable gain amplifier
US8008970B1 (en) 2010-06-07 2011-08-30 Skyworks Solutions, Inc. Apparatus and method for enabled switch detection
US11855610B1 (en) 2020-08-27 2023-12-26 Rockwell Collins, Inc. Broadband data multiplexer

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5628524A (en) * 1979-08-16 1981-03-20 Matsushita Electric Ind Co Ltd Switch unit for analogue signal
US5387879A (en) * 1992-08-04 1995-02-07 Nec Corporation Gain controllable output buffer amplifier circuit having a reduced circuit area
US5973566A (en) * 1998-03-31 1999-10-26 Hewlett Packard Company Discrete step variable gain inverting amplifier with constant ratio between adjacent gains

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54106161A (en) * 1978-02-08 1979-08-20 Saun Design Japan:Kk Switch circuit
US5157348A (en) * 1991-10-15 1992-10-20 The United States Of America As Represented By The Secretary Of The Navy Smart programmable gain amplifier
KR100254090B1 (en) * 1995-02-16 2000-04-15 니시무로 타이죠 Recording medium reproducing device
US6160893A (en) * 1998-07-27 2000-12-12 Saunders; William Richard First draft-switching controller for personal ANR system

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5628524A (en) * 1979-08-16 1981-03-20 Matsushita Electric Ind Co Ltd Switch unit for analogue signal
US5387879A (en) * 1992-08-04 1995-02-07 Nec Corporation Gain controllable output buffer amplifier circuit having a reduced circuit area
US5973566A (en) * 1998-03-31 1999-10-26 Hewlett Packard Company Discrete step variable gain inverting amplifier with constant ratio between adjacent gains

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PAJ abstract & JP 56028524 A (Matsushita) *

Also Published As

Publication number Publication date
US6828845B2 (en) 2004-12-07
GB0227553D0 (en) 2002-12-31
US20040100319A1 (en) 2004-05-27
GB2395849A (en) 2004-06-02

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)

Free format text: REGISTERED BETWEEN 20150820 AND 20150826

PE20 Patent expired after termination of 20 years

Expiry date: 20221125